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The Insight Data Report of the window, door and conservatory industry is the benchmark for the industry. It provides a comprehensive snapshot of the industry with research carried out with over 15,000 fabricators and installers, with in-depth analysis of markets, products and trends. It also features the 'Top 100' – the UK's largest fabricators/installers by turnover, and the most successful by 'net worth'.

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Previous years

2017 report

Industry Report 2017

The latest industry report, including industry changes, developments, trends and more.

2015 report

Industry Report 2014

The comprehensive review of 2014 for the window and conservatory industry.


2013 report

Industry Report 2013

The most comprehensive industry report, including the Insight Top 30 Fabricators and Installers.


2012 report

Industry Report 2012

The comprehensive review of 2012 for the window and conservatory industry.


Members of the GGF Members of the ICO IOD - Director of the year nomination IOD - Corporate Responsibility Award